There are a lot of polarizing debates in regards to the Pro Football Hall of Fame, but the one for Quarterback, Jim Plunkett, might be one of the hottest debates of all.
In terms of notoriety, there are few on the defensive side of the ball that can match Lyle Alzado. Known for his anger and ferocious play on the gridiron, Alzado debuted in 1971 with the Denver Broncos and in the season after he would lead all players in Fumble Recoveries. Alzado played predominantly at Defensive End, and after missing most of the 1976 season due to blowing out his knee, he would come back and help the Broncos and the mighty Broncos' defense reach their first Super Bowl. A contract dispute saw him traded to the Cleveland Browns, and he would later be traded to the Los Angeles Raiders where his popularity rose, and he would help them win Super Bowl XVIII.
Nate Newton was so big, that he was called the “Kitchen," in reference to that he was a more massive player than William "The Refrigerator" Perry. Newton went undrafted from Florida A&M but found a home in the USFL, where he played two years with the Tampa Bay Bandits and would be named to the All-USFL Team.